noun
same kind; accomplices; companions
Refers to people or things of the same type or group. Often used in negative contexts to imply someone is in league with others, but can also be neutral.
彼もあの詐欺師の一類だ。
He is also one of that swindler's accomplices.
この問題は前の一類に過ぎ
This problem is merely of the same kind as the previous one.