~あるまじき => ~ Unacceptable, not allowed N1
Ban
辞書形 => Dictionary form N5
Conjugate verbs
~まじき      => should not; must not N1
~むきがある(~向きがある)     => There is a tendency N1
~をきんじえない(~を禁じ得ない) => can't help but; can't refrain from ~ N1
に...ができる => complete N4
Completed
できる => Can do something N5
ときているから/ときているので => because of ~ N1
むきもある => There are people… N3
Of course
~きわまる/きわまりない(~極まる/極まりない)      => extremely; very ~ N1
をはじめ/をはじめとする => For example, A N2
Lists, Examples
ときている => Because of A N1
Reason, Result, Response