、。
Some people are called good talkers, others good listeners.
Literal
Talk-skilled [quotative-と] said person [also-も] exist-[conditional-ば], listen-skilled [quotative-と] said person [also-も] exist.
A balanced observation framing personality types as social reputations. といわれる ('are said to be') marks reputation rather than direct fact. The ~もあれば~もいる pattern creates a paired comparison. Note the mix of ある and いる for people: あれば (ある) in the conditional half, いる in the concluding half.