kolonialistisena
The term "kolonialistisena" is the instrumental case of the Finnish word "kolonialisti," which translates to "colonialist" in English. As an instrumental case, "kolonialistisena" signifies the role or means by which something is done. Therefore, in usage, it would describe something being done *as a colonialist* or *by means of colonialist actions or ideology*.
This grammatical form is crucial for understanding how the concept of colonialism is expressed in Finnish.