Yes. The, the Buddha is considered the first Arahant (Arahath) in Thisthis Buddha Kalpa era. DifferentThe difference is that a Buddha (SammaSammā Sambuddha is the more accurate term) earnachieves enlightenment without anyoneanyone's teaching, and Samma Sambudha meanthe term Sammā Sambuddha means he can teach his findings to others. There is Three wayare three ways to be Arahath,become an Arahant:
- Pachcheka(paccēka) Buddha - One who attained Nibbhana(Nirvana) him self without anyone else teaching. but he can't teach the path of Nirvana to others. It's like Muteness had a dream. He can't tell what he saw to others. Only he knows what he saw.
Sammā Sambuddha (The Buddha) - One who attains Nibbāna (Nirvana) by himself but can also show the path of Nibbāna to others.
- Sammā Sambuddha (The Buddha) - One who attained Nibbhana(Nirvana) him self but he can also show the path of Nibbhana to others.
Paccekabuddha (Paccēka Buddha) - One who attains Nibbāna (Nirvana) by himself without anyone else's teaching. However, he cannot teach the path to Nirvana to others. It's like someone mute having a dream; he cannot share what he saw with others. Only he knows what he experienced.
- Sāvaka Buddha (arahant) - Yes, Even Arahant also call by name Buddha, The term means He attained Nibbhana (Nirvana) by hearing the path of Nibbhana from Samma Sambudhha Sasana(Samma Sambuddha or one of his follower).
Sāvaka Buddha (Arahant) - Yes, an Arahant is also called a Buddha. The term means he attained Nibbāna (Nirvana) by hearing the path of Nibbāna from the Sammā Sambuddha Sasana (Sammā Sambuddha or one of his followers).