The Swedish term "klen stackare, krake" matches the English term "weakling"

other swedish words that include "stackare" : english :
feg, pultron, feg, kujon, stackare coward
usling, stackare, kräk wretch
other swedish words that include "krake" : english :
hästkrake, jade jade
häst, hästkrake, tjata, gnata nag