On the scoreboard, a CS2 team is five names and five sets of numbers. In practice, each player has a clear job, and the best teams are built so that those jobs fit together. Understanding the roles makes pro matches much easier to follow, and it explains why the player with the most kills isn't always the most important one.
In-game leader (IGL)
The IGL is the team's captain inside the game. Before each round, they call the strategy: where the team will attack, how it will defend, what to do with the money. During the round, they make the adjustments: rotating players to a site, calling a fake, changing the plan when the opponent does something unexpected.
The IGL is often not the best fragger on the team. Leading means paying attention to the whole map and the economy, which leaves less focus for aiming. Some IGLs sacrifice themselves on purpose to get information for the team. Their stats can look ordinary while the team wins.
How to spot it: listen to the team's comms when broadcasts play them, or look for the player who's talking most between rounds.
AWPer
The AWP is the most powerful weapon in the game: one hit anywhere above the legs kills. It's also the most expensive at $4,750, and it's slow to move with. Most teams give it to one dedicated player.
A good AWPer controls space. On defence, a single AWPer holding a long sightline can stop an entire attack from coming that way. On attack, an early AWP kill can open up a site. Because the gun is so expensive, AWPers also have to be smart about when to save it.
How to spot it: easy, they're the one with the sniper rifle. Watch how the other team avoids their angles.
Entry fragger
The entry fragger goes into a bombsite first on attack. Their job is to take the first fight, ideally win it, and create space for the players behind them. Even when they die, a good entry gets traded: their teammates kill the opponent who shot them, and the team gains ground.
Entry is one of the hardest roles to judge from stats. An entry who dies first but gets traded every time has done their job, even if their kill-death ratio looks bad.
How to spot it: watch who goes through the doorway first when the team executes onto a site.
Lurker
While the team pushes one part of the map, the lurker works alone somewhere else, usually on the other side. They gather information, punish defenders who rotate too early, and catch opponents from behind once the fight starts.
Lurking takes patience and game sense. A good lurker knows when the defenders are about to rotate and is waiting for them. A bad one spends the round alone in a corner while their team fights four against five.
How to spot it: look for the attacker who isn't with the group, especially late in the round.
Support and anchor
Support players make everyone else's job easier. On attack they throw the smokes and flashes that let the entry get into a site. On defence, they often anchor a bombsite: they hold it alone or with one teammate, and play for time until help arrives.
Supports rarely top the scoreboard, but a team without good utility usage falls apart quickly. Many in-game leaders also play a support role, because both jobs involve thinking about the team first.
How to spot it: watch who throws the utility at the start of an execute, and who stays on a site when the rest of the team rotates away.
Roles are flexible
These are tendencies, not rules. Many teams have a "star rifler" whose job is simply to win as many fights as possible. Players switch roles depending on the map and on which side they're playing. A team's lurker on one map might be its entry on another. And at the top level, every player is expected to do a bit of everything.
Why roles explain transfers
Next time a big team makes a roster change, think about roles. A team that signs a brilliant rifler but loses its only AWPer has a problem the rifler can't solve. Teams don't just look for the best players. They look for the best player for the gap they have.
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