1414–23) was an Albanian nobleman and general in the service of the Serbian Despotate, with the title of vojvoda.
[1][2] In August 1421 Serbian Despot Stefan Lazarević appointed vojvoda Mazarek to administer his possessions in Zeta.
Despot Stefan did not continue the war immediately after the truce because he was busy with other activities, while Mazarek undertook actions to prevent Venetian reinforcement of the Scutari garrison.
[6] In July 1422, the Venetian Senate ordered Niccolo Capello to return to Bojana and complete his mission, but he decided to wait for two galleys of provveditore and supracomite Marco Bembo and Marco Barbo carrying soldiers and material for destruction of the fortress Mazarek had erected in Sveti Srđ.
[7] In November 1422 the Venetian fleet destroyed Mazarek's fortresses on the Bojana and reached Sveti Srđ.