Declension table of ?arthakara

Masculine	Singular	Dual	Plural
Nominative	arthakaraḥ	arthakarau	arthakarāḥ
Vocative	arthakara	arthakarau	arthakarāḥ
Accusative	arthakaram	arthakarau	arthakarān
Instrumental	arthakareṇa	arthakarābhyām	arthakaraiḥ arthakarebhiḥ
Dative	arthakarāya	arthakarābhyām	arthakarebhyaḥ
Ablative	arthakarāt	arthakarābhyām	arthakarebhyaḥ
Genitive	arthakarasya	arthakarayoḥ	arthakarāṇām
Locative	arthakare	arthakarayoḥ	arthakareṣu

Compound arthakara -

Adverb -arthakaram -arthakarāt