Mode game_type game_mode
Classic Casual 0 0
Classic Compt 0 1
Arms Race 1 0
Demolition 1 1
Deathmatch 1 2
Wingman 0 2
DangerZoneFFA 6 0
cs_italy
de_dust
de_aztec
cs_office
de_dust2
de_train
de_inferno
de_nuke
blacksite (use danger zone game type/mode)
de_overpass
cs_workout
de_cobblestone?
de_vertigo
gd_rialto
de_lake
Entry Fragger - The first one in. - Aggressive. Great shot. Great communication.
Playmaker - Get trade kills if the Entry Fragger goes down. - Aggressive. Great shot. Great in the clutch. Great communication.
Strat Caller - Calls the round strategies (and/or ct positioning). - Great knowledge of the game. Great communication.
Support - Aid those in need of a pop flash or smoke. - Great knowledge of nades. Passive. Can stay calm and pick up trade kills. Great communication.
Awper - The primary awp. - Great reaction time. Great aim. Can entry. Great communication.
Lurker - Unpredictable to keep the enemies on their toes. - Great knowledge of rotations. Great positioning. Great use of sound. Great communication.
Communication is a must for every team at every position. The better your shot, the better you'll be at your respective role (obviously). These "roles" are not official, and I'm sure there are many more that could be described.