unknown people (noun) stranger: person who is unfamiliar
Sinonime: alien, drifter, foreign body, foreigner,
guest, immigrant, incomer, interloper, intruder, itinerant person, migrant, migratory worker, new arrival, newcomer, out-of-stater, outcomer, outlander,
outsider, party crasher, perfect stranger, squatter,
transient, uninvited person,
unknown, unknown person,
visitor,
wandererAntonime: acquaintance,
friend,
local,
native