hanger-on

noun2

1. •
   Someone who hangs on, or sticks to, a person, place, or service.

   • Her love was sought, I do aver, / By twenty beaux and more; / The king himself has follow'd her / When she has walk'd before. / But now her wealth and finery fled, / Her hangers-on cut short all […] — 1760
2. •
   (historical) An onsetter.