What is the meaning of अर्हत्?

deserving, entitled to (+ accusative) (RV.)

(used in a respectful address for अर्हसि (arhasi) Pāṇ. 3-2, 133) able, allowed to (+accusative) (RV.)

worthy, venerable, respectable (ŚBr., AitBr. etc.)

praised, celebrated (L.)

arhat; a buddha who is still a candidate for nirvana

(= क्षपणक​ (kṣapaṇaka​)) a Jain

an arhat or superior divinity with the Jains

the highest rank in the Buddhist hierarchy (L.)

Source: wiktionary.org