古こ参さん者しゃ

noun

senior member; old-timer; veteran

Refers to a person who has been in a group, organization, or place for a long time, often with informal seniority.

• 彼かれはこの会かい社しゃの古こ参さん者しゃで、もう二に十じゅう年ねんも勤つとめている。

  He is an old-timer at this company, having worked here for twenty years.

• 古こ参さん者しゃの意い見けんはやはり重おもみがある。

  The opinions of senior members naturally carry weight.