What does 'four years my senior' mean?

Question

I'm reading to kill a mocking bird for college... and it keeps saying something like:

'four years my senior'

'two years my junior'

is that just mean four years older, two years younger?

Answer 1

It means that the person is 4 years older than you.  Hope this helps..

Answer 2

It means in four years and in two years

Answer 3

four years my senior means four years older

two years my junior is two years younger

so yes! you were correct :)