Question

Ambiguity can also occur in a sentence where مبتدأ is a proper noun, and خبر is an adjective or a noun having ال.  Proper nouns are definitive by default (i.e. they need not have a definitive article to be one).

Accepted Answer

حامِدٌ اللاعبُ (Hamid is the player) or (Hamid the player)BUTحامدٌ هو اللاعبُ (Hamid is the player)

Text	Ambiguity can also occur in a sentence where مبتدأ is a proper noun, and خبر is an adjective or a noun having ال.
Back Extra	حامِدٌ اللاعبُ (Hamid is the player) or (Hamid the player) BUT حامدٌ هو اللاعبُ (Hamid is the player)
Personal Notes	Proper nouns are definitive by default (i.e. they need not have a definitive article to be one).

Hamid Player Proper Noun اللاعبُ Definitive Ambiguity Occur