As nouns the difference between rioter and rifter
is that rioter is one who riots; part of the unruly violent crowd causing a riot while rifter is (obsolete) a rafter.
rioter
English
Noun
(
en noun)
One who riots; part of the unruly violent crowd causing a riot.
- The rioters had erected a makeshift barricade and were pelting the police with rocks from behind it.