(first) Minister
'(Primer) ministro' is a Spanish term that refers to the term '(First) Minister' in English. In political terms, it is most often used to denote the head of a cabinet, similar to Prime Minister or Premier. This public official is typically the leader of the executive branch of government in a parliamentary system. The minister leads cabinet meetings and oversees the execution of government plans and strategies. The adjective 'primer', meaning 'first', indicates the prominence or superiority of the position within a governmental structure.
The new prime minister promises significant change.
This sentence is telling us that the newly elected or appointed prime minister is promising to bring about notable or significant changes, perhaps in policies, governance, or other areas.
The Prime Minister of Canada will visit Spain next week.
This sentence is reporting a future event in which the Prime Minister of Canada is scheduled to visit Spain. This suggests that there is a diplomatic event, or perhaps a state visit planned between the countries next week.
The prime minister lives in an official mansion.
This sentence is giving information about the living conditions of a prime minister. It shares that he or she lives in an official residence, which is typically provided by the state for their head of government.