This is the 678th most frequent Marathi word.
बबन
"बबन" is a common male name in Marathi.
In this sentence, 'बबन' is a proper noun referring to a specific person, used as the subject of the sentence.
बबन आज शाळेत गेला होता.
Baban went to school today.
In this sentence, 'बबन' is a possessive noun demonstrating ownership of 'वही' (notebook).
बबनची वही खूप स्वच्छ आहे.
Baban's notebook is very clean.
Here, 'बबन' is directly addressed as a proper noun, used as a vocative case.