schelm (zn):
A cruel and brutal fellow
bully, hooligan, roughneck, rowdy, ruffian, tough, yob, yobbo, yobo
schelm (zn):
A deceitful and unreliable scoundrel
knave, rapscallion, rascal, rogue, scalawag, scallywag, varlet
Via: Ensyns.nl
Via: Memodata.com