non-player character
nonchooser
unthinker
Buridan's ass
phony
pretender
honey badger
neglecter
individualist
fence-sitting
lone gunman
mé féiner
inactive
nonthinker
live rent-free in someone's head
wimp
chicken
drone
selflessly
homebird
crybaby
wastoid
saphead
joker
sap
muggins
know-it-all
tomfool
know-all
no changer
turkey
fool
sphinx
flat-earther
NPC
agnostically
incompetent person
skeptic
freethinker
incompetent
take it or leave it
nonreflector
thoughtproof
irrationalist
refraining
orphan
maverick
rebel
brick wall
pococurante
indifferent
nonconsenter
nothingburger
addlehead
nonobserver
negativist
loon
armchair quarterback
caveman
birdbrain
nonresponder
negative Nancy
rejectionist
infidel
nondeviant
volunteer
addle-head
fools rush in where angels fear to tread
concrete-head
pococurantist
cypher
unthinking
autopilot
hypocrite
coward
forget about
self-conceited
uncollected
thoughtless
inactivist
inattentiveness
dissimulator
bliss ninny
ballbag
dissembler
nonadherent
self-determination
free spirit
cipher
phoney
uncaring
nonentity
nobody
have a mind of one's own
antisceptic
U-turner