There are multiple definitions - click on the translation that matches your context.

国际托管统治制度

名词

neolog

trusteeship

noun

Definitions of trusteeship

the position of being a trustee (=a person who holds the title to real or personal property in trust on behalf of a beneficiary)

St Anne's Church has been put in the sole trusteeship of the Diocese of Hereford.

the position of being made responsible for the government of an area by the United Nations

DR Congo is a country under international trusteeship.