や辞yaめるmeru
1.
To bring an end to an activity or commitment that one has been engaged in, particularly in the context of employment or a position of responsibility.
2.
To make a decision to no longer pursue a planned course of action, often reflecting a change of mind or circumstances that leads to canceling previously intended goals.
3.
To officially withdraw from a role, position, or organization, often signifying a formal exit due to various personal or professional reasons.
Example:
彼はやめるほか仕方がない。