"I have a lover" and "I have one lover" are English equivalents of the Italian phrase Io ho un amante. Context makes clear which meaning prevails for the first person singular subject pronoun and present indicative and masculine singular cardinal number/indefinite article and noun. The pronunciation will be "EE-o OO-na-MAN-tey" in Italian.
"I have" is an English equivalent of the Italian phrase Io ho.
Specifically, the personal pronoun io means "I". The verb ho translates as "(I) am having, do have, have". The pronunciation will be "EE-oh oh" in Italian.
Io sono un amante in Italian means "I am a lover" in English.
Io in Italian means "I" in English.
"Am" in English means (Io) sono in Italian.
"I am not Italian!" in English is Io non sono italiano!in Italian.
"I dance" in English is Io ballo in Italian.
"I am stupid" in English is Io sono pazzo! in Italian.
"Do you like me?" in English is Io ti piaccio? in Italian.
Per il momento, io..." in Italian means "For the moment, I.." in English.
Io sto ancora apprendendo in Italian is "I am still learning" in English.
Io odio la gente! in Italian is "I hate people!" in English.
Io sono di Catania in Italian means "I am from Catania" in English.
"I am finished" in English means Io ho finito in Italian.