Menial (adjective)

Of or relating to work that is considered unimportant or demeaning.

Origin:

From the old french word "menial" meaning "of or belonging to a household".

Examples:

1. He refused to do menial work and left the company.
2. The job was menial and paid very little.
3. Many consider working in fast food industry as menial labor.
4. The staff at the hotel are treated as menial labor.
5. He was demoted from his position to a menial job.