flugumaðr (ON) noun

A flugumaðr was a man who let himself be hired to perform a manslaughter of which he had no personal interest. Such a man was to be treated as an óbótamaðr (evildoer). See, e.g., GuL ch. 32.

assassin OIce Jó Mah 2
OIce Js Mah 6
OIce KRA 11
ONorw FrL Var 45
ONorw MLL Mah 4
fly-man ONorw EidsL 50.13
hired bandit ONorw GuL Krb Refs:

Hertzberg s.v. flugumaðr