Answer: John Adams
Yet John Adams, future president of the United States and cousin of Boston Patriot-leader Sam Adams, ended up defending a group of hated British soldiers at their trials.
He went to Medina, this event is known as the <em>hijra </em>and he embarked on said journey in the year 622. Which on the Muslim calendar, is year 1. However, what is of particular interest is that the city is also referred to as Yathrib and "Medina" means "The city" when translated to English.
They have a road from middle east to africa and they would use Merchant ship routes.