noun
Primarily used in role-playing games to refer to a character class or job that specializes in stealing, stealth, and agility. Not a general word for a real-world thief.
このゲームでは、シーフは宝箱の罠を解除できる。
In this game, the thief can disarm traps on treasure chests.
パーティーにシーフがいると、鍵のかかった扉を開けられる。
If you have a thief in your party, you can open locked doors.