IPA: /ˈmɒpə/
KK: /ˈmɑpər/
A person who cleans floors or surfaces using a mop, which is a tool with a long handle and a head made of absorbent material.
The mopper worked diligently to keep the restaurant floors spotless.
Mopper → The word 'mopper' originates from the verb 'mop' (from Middle English 'moppen', meaning to wipe or clean) combined with the agent suffix '-er' (meaning a person who performs an action). A 'mopper' is therefore a person who mops or cleans.
Think of someone who 'wipes' or 'cleans' ('mop') — the '-er' indicates that this person is doing the action. A mopper is someone who cleans.