remora
nounUK /ˈrɛmərə/
US /ˈrɛmərə/
A remora is a small fish that sticks to big sea animals like sharks.
The remora clung to the shark's side as it swam.
OTHER MEANINGS
2. Something that holds back or delays an action.
The extra paperwork was a remora on the project's progress.
3. An obstacle or hindrance that slows someone down.
Doubt can be a remora to learning something new.
4. A person who clings to another for personal gain.
He was a remora, always following the rich kids around.