મળ્યા ત્યારે મીર, ન મળ્યા ત્યારે ફકીર.

maḷyā tyārē mīra, na maḷyā tyārē phakīra.

Literally: When met, a lord; when not met, a beggar.
What it means: People's status or behavior changes depending on their circumstances.

Also said as

ગુજરાતી કહેવતસંગ્રહ (Gujarati Kahevat Sangrah) (1923) · read from the scan by machine — the Gujarati itself is unchecked · English is machine-made and nobody has checked it yet

Heard it differently, or know we've got the sense wrong? Tell us — that is exactly the kind of correction this needs.