Mooch off American slang
to borrow from people or ask them to give you things without paying for them or intending to return them
No one in the family likes John, because he keep mooching off them instead of finding a job.
I don't want to mooch off anyone in the future, therefore, I have to study hard.
You're old enough to take responsibility for your life, so stop mooching off me.
The phrase starts with a verb, therefore, it needs to conjugate within the sentence.