Arthasādhaka (Arthasadhaka) was a mantrī (mantri; minister) of Ayodhyā (Ayodhya). When Rāmacandra (Ramachandra)returned from exile, Arthasādhaka, along with seven other ministers, as instructed by Bharata, went to welcome him.

Rāmāyaṇa (Tarkaratna-Beng.)(6.127.11)