The topic of the conversation can be a person, with the [verbの] phrase taking が. This is used to describe the verb in relation to whoever the topic is.
テニスが好きです。
I like tennis.
テニスをするのがきらいです。
I don’t like playing tennis.
テニスを見るのが好きです。
I like watching tennis is fun.
Other adjectives that are often used to describe verbs in relation to a person じょうず, へた, おそい, はやい.
東京の人は歩くのが早いです。
people in Tokyo walk quickly.