Alternative form of アルカーイダ (aru-Kāida, “al-Qaeda”)

to doubt / to have doubts / to be doubtful / to distrust, to mistrust / to call (a matter) into question

member, a person who is in a group / participant, attendee at an event / (programming) member in object-oriented programming / (Internet slang) suspect in a crime

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

(sports) member of a starting lineup

(idiomatic) to doubt what one just heard; hearing something surprising

lurker (in an online community) (abbr. ROM, ロム)

everything