use, usage, utilization, application / exploitation, taking advantage of

(Internet) trolling; vandalism / (Internet) a troll; a vandal

stem or continuative form of 荒らす (arasu) [godan]

lay waste; devastate; put everything in disorder / invade; barge into someone's area or domain / destroy; ruin / (Internet) troll; vandalize

bulletin board

use, utilize / exploit, take advantage of

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

bulletin board system (computer system to exchange messages and data); messageboard