マル被 is read as まるひ (maruhi) and means suspect.
まるひ
maruhi
はっぴ
happi coat
がいひ
(protective) coat
げんぴ
plaintiff and defendant
ひ
indicates the target of an activity
かひ
perianth
かぶる
to be deceived
ひこく
defendant
ひがい
(suffering) damage
ひしゃたい
(photographic) subject
ひふく
clothing
ひこくにん
accused
ひがいしゃ
victim