Migapulle Arachchi was a feudal lord from the Jaffna Kingdom who became a rebel leader just after its annexation by the Portuguese Empire in 1619.
Cankili II usurped the throne by killing the other claimants, Arasakasari the latter king's brother and Periya Pillai Arachchi a powerful Karaiyar chieftain and father of Migapulle.
[3] Migapulle fled to Mannar with the two princesses of Jaffna kingdom to the Portuguese and embraced Catholic Christianity, and was baptised as Dom Luis.
Migapulle joined other Christian mudaliyars such as Dom Pedro and with other local support who were dissatisfied with the cruel rule of Cankili and rose to revolt.
[5] Cankili II was under the Portuguese made the governor of Jaffna in 1617 and paid tribute to them on the promise that he had no contact with the Karaiyar captains.