D defs.my
Entry 1 sense Webster, 1913

Bystander

/bīs'-tănˌ-dẽr/ · By·stand·er · IPA /ˈbaɪˌstænd.ə(ɹ)/
01 n. One who stands near; a spectator; one who has no concern with the business transacting.
  1. 1.
    One who stands near; a spectator; one who has no concern with the business transacting.
    “He addressed the bystanders and scattered pamphlets among them.” — Palfrey.