The Swedish term "inblandad, anbelanga, vederbörande, intresserad" matches the English term "concerned"

other swedish words that include "inblandad" : english :
inblandad mixed up
other swedish words that include "vederbörande" : english :
vederbörande, ordentlig, tillbörlig proper
other swedish words that include "intresserad" : english :
intresserad interested
intresserad i interested in
ointresserad unintrested