overprotector

noun
UK /ˌəʊvəprəˈtektə/
US /ˌoʊvərprəˈtektər/

A person who protects someone too much and does not let them do things alone.

My overprotector of a dad always walks me to the bus stop.


OTHER MEANINGS

2. A device or system that guards something more than needed.

The overprotector on the machine stops it too often.

3. A person who worries too much about another's safety.

As an overprotector, she calls her son three times a day.

4. Someone who keeps a pet from ever facing any risk.

He is such an overprotector that his dog never plays outside.