station master
The Spanish phrase 'jefe de estación' translates to 'station master' in English. A station master is an individual responsible for managing all the operations of a railway station. Their duties may involve coordinating train schedules, handling passenger inquiries, and overseeing the general maintenance and functionality of the station.
My friend is the station chief in Madrid.
This sentence describes the profession of the speaker's friend. He/she is the head (chief) of a train station in Madrid, which means this person oversees the operations of that particular station.
The station chief announced the departure of the train.
In this context, the station chief, or 'jefe de estación', is responsible for making public announcements regarding train schedules. Here, the station chief is announcing the departure of a train.
Speak with the station chief to get information about schedules.
This sentence suggests that the station chief is a reliable source of information regarding train schedules. The speaker is instructing the listener to speak directly with the station chief in order to obtain accurate schedule information.