This is the 768th most frequent Dutch word.
oudere
"Older person" or "elderly person."
In this sentence, 'oudere' describes a familial relationship and indicates that this brother is older than the speaker.
Mijn oudere broer woont in Amsterdam.
My older brother lives in Amsterdam.
Here, 'oudere' refers to someone of advanced age and is used as a general descriptor.
Een oudere persoon heeft vaak veel wijsheid opgedaan.
An older person has often gained much wisdom.
In this sentence, 'oudere' indicates that the student is older relative to the common age range for students.