conformist

墨守成规的人、从众者、循规蹈矩的人常带贬义

He was a conformist who never questioned the company's rules.

他是个墨守成规的人，从不质疑公司的规定。

从众的、守旧的、循规蹈矩的

Their conformist attitudes made the whole team afraid to innovate.

他们从众的心态让整个团队不敢创新。