burden; nuisance; troublemaker
Refers to a person who causes trouble or is a burden to others. Often used for someone who is difficult to deal with or whose presence creates problems.
He is a burden to his family.
That man is a troublemaker at work, always causing problems.
hanger-on; dependent; parasite
Describes someone who lives off others without contributing, often in a parasitic or freeloading manner. Can imply a person who attaches themselves to a group or individual for personal gain.
He is a dependent who lives off his parents.
There are many hangers-on around that politician.