prefix
for lack of anything better to do; half-hearted; just because
Attaches to occupations or roles to express that someone does it without real motivation, often because they have no better option. Common in phrases like でもしか先生 (a teacher who became one only because they couldn't find another job).
彼はでもしか教師で、本当は別の仕事がしたかったらしい。
He's a half-hearted teacher; apparently he really wanted a different job.
でもしか社員みたいな気持ちで働いている。
I'm working with the feeling of being a half-hearted employee, just because I have nothing better to do.