acquaintance

/əˈkweɪntəns/
noun
  1. A person one knows slightly, but who is not a close friend.
    • He's just a business acquaintance; I don't know him well outside of work.
    • She has many acquaintances but only a few close friends.
    • I ran into an old acquaintance from college at the grocery store.
  2. Knowledge or experience of something; familiarity.
    • I have a passing acquaintance with French cooking.
    • Her acquaintance with classical music began in childhood.
    • The job requires some acquaintance with computer programming.