The term 'dikus' refers to:-

Migrant traders and Money lenders

The correct answer is Option (3) → Migrant traders and Money lenders

The term "dikus" was used by Adivasis to describe outsiders who exploited tribal communities. These included migrant traders, moneylenders, landlords, and colonial officials who took away their land, charged heavy interest on loans, and disrupted their traditional way of life.