(obsolete) Avid; eager; greedy.

What the name for someone who uses both hands?

1a : using both hands with equal ease or dexterity an ambidextrous pitcher Guatelli says the master was ambidextrous, that he sketched with his right hand while he wrote with his left—simultaneously. — John P. Wiley Jr.

What do you call a right handed person?

hatchet man/woman. right-hand man/woman.