Goats are not naturally AGGRESSIVE but will sometimes ram people. This is only if they feel threatened or are being annoyed by said person. Goats are a very calm animal and have a nice DISPOSITION. Goats are very happy and sometimes silly animals, as the pictures below will show you. Goats will sometimes buck and butt just as communication or even as a sign of affection. Goats love to climb and run around, they are very active and restless animals. They are best on big farms filled with other goats. Some people think that goats ram people for fun, but a lot of the time it's a sign of affection. In conclusion, goats are happy and peaceful animals that sometimes have a weird way of showing it.
A Goat doing what they do best, being happy and looking funny.
Either this lady has annoyed the goat, or the goat just really likes her and wants to say hi in special way.