Mario: Unionized.
Luigi: Gig Economy.
Wario: Wall Street Capitalist.
Waluigi: ?????

Waluigi: Unemployed but supports Republicans

What if Waluigi is an ancap.

waluigi: waluigi

Waluigi: Small business owner

waluigi: organized crime syndicate

there are many things Waluigi could be doing, but I don't know which he IS doing.

Small bussiness own? Professional athlete? Unemployed? Inherited wealth? Wario's Lobbyist?

waluigi: all of the above, depending on what's needed

all I know for sure is that Luigi is not afraid of him.

waluigi is a con artist and, according to hit game Psycho Waluigi, overthrowing kings and pawning the crowns

Waluigi: handyman