grasper
nounUK /ˈɡrɑːspə/
US /ˈɡræspər/
A grasper is someone or something that holds on to things tightly.
The little monkey is a clever grasper of branches.
OTHER MEANINGS
2. A person who is eager to get money or power.
The greedy grasper took all the coins for himself.
3. A tool or machine part that grips objects.
The robot's metal grasper picked up the toy block.
4. A person who understands ideas quickly.
She is a quick grasper of new math tricks.