What is the meaning of いる?

to exist, to be

to have

Used as a 補助動詞 (hojo dōshi), after a verb in the (-te) conjunctive form. Note that いる (-te iru) colloquially shortens to てる (-teru), いた (-te ita) colloquially shortens to てた (-teta), etc.

  1. Indicates a progressive or continuative tense: to be doing

    Indicates a progressive or continuative tense: to be doing

    Indicates a regular, repetitive action.

    Indicates a state resulting from the action.

    to sit

    Source: wiktionary.org