hackster means one who hacks computers; a hacker.
Etymology
From hack (“to cut; to gain unauthorized access to”) + -ster.
noun
- One who hacks computers; a hacker.“You hacked my ID the other day, didn't you? So you are my hackster!”
- A violent bully or thug; also, an assassin, a murderer.“[…] Happy times; when Braves and Hackſters, the onely contented Members of his Goverment, were thought the fitteſt and the faithfulleſt to defend his [the King's] Perſon againſt the diſcontents of a Parlament and all good Men.”