user (EN)
noun

noun “user”

sg. user, pl. users
  1. someone who utilizes or employs something, including customers
    The library offers free water for all its users.
  2. in computing, an individual who operates a computer or network, often having a specific account
    Every user must create a password to access the system.
  3. an individual who consumes (drugs, particularly those that are illegal)
    The police arrested him after discovering he was a drug user.