disquieter

Example:The new policy was a disturbing factor in the community, causing significant unease among the residents.

Definition:To upset or trouble someone or something.

Example:The rumor about his past was an unsettling factor, constantly disquieting him.

Definition:To cause someone to become agitated, worried, or uneasy.

Example:The sudden noise was an irritant, disturbing his peace and causing him restlessness.

Definition:To annoy, vex, or irritate someone.