outsiderly
outsiderish
strangerlike
unwelcome person
persona non grata
simpleton
oddment
wastoid
outcast
nonadherent
carpetbagger
pococurantist
black sheep
nonacquaintance
nonsympathizer
meatbot
unsympathizer
uninitiate
backbite
sideman
nonutilitarian
nonadvocate
toe rag
squib
character
nobody
moony
alienator
reluctant dragon
nonromantic
boner-killer
nonindigent
greenhornish
turnoff
walkover
butter wouldn't melt in someone's mouth
nonrecluse
civilian
deadwood
nonentrant
nonegalitarian
odds and sods
fuckface
blandoid
random
soulless
unbelonging
ungainly
stranger
fifth wheel