Name the figure of speech in the given sentence
The prime minister proudly declared 'I am the leader of this nation'
The figure of speech in this sentence is a "metonymy" where the prime minister is using a part (himself, as the leader) to represent the whole (the nation).
Complete the following task based on the instruction and optional input provided.### Instruction:
Name the figure of speech in the given sentence

### Input:
The prime minister proudly declared 'I am the leader of this nation'

### Output:
The figure of speech in this sentence is a "metonymy" where the prime minister is using a part (himself, as the leader) to represent the whole (the nation).