Stalking

Verb
stalking

Noun

 * 1) Hunting for game by moving silently and stealthily or by waiting in ambush
 * 2) The crime of following or harassing another person, causing him or her to fear death or injury

Thesaurus
chase, chevy, chivy, clandestine behavior, clandestinity, coursing, covertness, cynegetics, dogging, domiciliary visit, dragnet, exploration, falconry, follow, follow-up, following, forage, fox hunting, frisk, furtiveness, gunning, hawking, house-search, hue and cry, hunt, hunting, perquisition, posse, probe, prosecution, prowl, prowling, pursuance, pursuing, pursuit, quest, ransacking, rummage, search, search party, search warrant, search-and-destroy operation, searching, seeking, shadowing, shiftiness, shikar, shooting, slinkiness, slyness, sneakiness, sport, sporting, stalk, stealth, stealthiness, still hunt, surreptitiousness, tracking, tracking down, trailing, turning over, underground activity, underhand dealing, venery