Denshi Jisho — Online Japanese dictionary

居る いる 1:
2: (Usually written using kana alone) to be (of animate objects); to exist;
3: to stay; () (after the -te form of a verb) verb indicating continuing action or state (i.e. to be ..ing, to have been ..ing)
Common word, Ichidan verb, Intransitive verb 
居る おる 1:
2: (Usually written using kana alone) (Humble (kenjougo) language) to be (animate); to be; to exist; () (after the -te form of a verb) verb indicating continuing action or state (i.e. to be ..ing);
3: (after -masu base of verb) indicates contempt or disdain for another's actions
Common word, Godan verb with ru ending, Intransitive verb 

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