Venerable Acacius of Sinai, who is mentioned in the Ladder - Troparion & Kontakion

Troparion — Tone 4

O God of our Fathers, / always act with kindness towards us; / take not Your mercy from us, / but guide our lives in peace / through the prayers of Saints Thomas and Acacius.

Kontakion — Tone 2

(Podoben: “Seeking the highest...”)
Forsaking the world, you followed Christ from childhood. / Emulating His voluntary humility, you cast down the prideful tyrant. / All-wise and venerable Acacius, / unceasingly pray for us all!