Context: Mapillah revolt showcases that important historical events always have multiple causes and do not occur in a social, economic, and political vacuum.
Factors which led to the revolt:
Immediate trigger: Non-Cooperation Movement launched by the Congress in 1920 in tandem with the Khilafat agitation.
The Malabar Congress led by Nairs, was the most active participant in these twin agitations.
The anti-British sentiment : found fertile ground among the Muslim Mapillahs of south Malabar.
The British had introduced new tenancy laws and instituted a more exploitative system.
The new laws deprived Mapillahs of guaranteed rights to the land and its produce.
Ire against Hindu landlords : most of the landlords were Namboodiri Brahmins and supported by British while most of the tenants were Mapillah Muslims.
Fiery speeches : by Muslim religious leaders added to the religious fervour of peasantry leading to the atrocities against Hindus.
Conclusion:
Various Factors: It was an agrarian revolt occasioned with economic distress, fuelled by anger against foreign rule, reaction to tenancy laws, and communalised through religious zeal.