常任(じょうにん)

じょうにん
noun
permanent; standing (position)
work
1. permanent; standing (post or membership)
Holding a post, seat, or membership on an ongoing, permanent basis rather than temporarily. Used attributively before the name of a position or organization.
He is the permanent conductor of this orchestra.
日本(にほん)は常任(じょうにん)理事国(りじこく)を目指(めざ)している。
Japan is aiming to become a permanent member state.
As a member of the standing committee, I attend the weekly meetings.

Almost always used attributively (before a noun), not as a standalone predicate. It marks a role as ongoing and fixed rather than temporary or rotating.

Common collocations

Similar words