Declension table of sādhaka

Neuter	Singular	Dual	Plural
Nominative	sādhakam	sādhake	sādhakāni
Vocative	sādhaka	sādhake	sādhakāni
Accusative	sādhakam	sādhake	sādhakāni
Instrumental	sādhakena	sādhakābhyām	sādhakaiḥ
Dative	sādhakāya	sādhakābhyām	sādhakebhyaḥ
Ablative	sādhakāt	sādhakābhyām	sādhakebhyaḥ
Genitive	sādhakasya	sādhakayoḥ	sādhakānām
Locative	sādhake	sādhakayoḥ	sādhakeṣu

Compound sādhaka -

Adverb -sādhakam -sādhakāt