Read the passage.

The native servants she had been used to in India were not in the least like this. They were obsequious and servile and did not presume to talk to their masters as if they were equals.

The definition of obsequious is "obedient."

Which context clue that tells you this?

Obsequious is an adjective describing masters.

Obsequious is an adjective describing India.

Obsequious is an adjective describing how the servants treated their masters.