Denshi Jisho — Online Japanese dictionary

彼ら かれら they (usually male); them
Common word, Pronoun, No-adjective 
彼ら あれら 1: (Usually written using kana alone) those (indicating something distant from both speaker and listener, or something understood without naming it directly);
2: (Archaism) they (of people) (used to refer to one's equals or inferiors)
Noun, No-adjective 
彼らの助力に依って かれらのじょりょくによって by dint of their help
Expression 

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