for one's sins
idiomPart ofsin
for one's sins — idiom
1. Used humorously to suggest that a difficult, boring, or unpleasant job is a puni
1.idiom
Definition
Used humorously to suggest that a difficult, boring, or unpleasant job is a punishment for one's faults or mistakes.
Example
For my sins, I was chosen to organise the office Christmas party this year.
Erik ended up on the late shift, for his sins, as the newest member of the team.