սամվել

In a sentence

• Սամվել ուսանող է համալսարանում։

  Samvel is a student at the university.

  Here, 'Սամվել' is used as a proper noun referring to a person's name.

• Իմ ավագ եղբոր անունը Սամվել է։

  My elder brother's name is Samvel.

  In this case, 'Սամվել' is also a proper noun but used within a possessive context to identify someone's name.

• Գիրքը, որն ինձ տվեց Սամվելը, շատ հետաքրքիր էր։

  The book that Samvel gave me was very interesting.

  Here, 'Սամվելը' is the same proper noun in the nominative case, followed by the definite article, marking it as the subject.