A Sheriff can be appointed or elected, depending on state or local law.
If the Sheriff is appointed he can be removed by the appointing authority. If the Sheriff is elected he can be removed like any other elected official, usually through a recall.
You would need the state legislature to impeach your governor.
Impeach is the word your looking for, and every state is different. Generally the info can be found in the state constitution, but more specifically anyone can impeach the governor because impeach simply means "to accuse".
hope he commits a crime.
In 1915, there was a move in the House to impeach John Purifoy, but it did not pass. In current days, there is a movement to impeach the current governor, Robert Bentley, but it is in very early days. An impeachment is an indictment, not a removal from office.
Only the House of Representatives can impeach federal officials and then only the Senate can remove them. In some states, the citizens can vote to recall the governor and other state officials.
A synonym for impeach is indict.
'How dare you impeach my character with this allegation!' Impeach here means to call into question the character of the person.
Impeach the crook! The move to impeach President Nixon took some time to gain momentum.
Congress may impeach federal officials.
The House of Representatives can impeach the government officials.
I am unsure of the impeachment option but voters of NJ can petition for recall. http://www.state.nj.us/state/elections/recall-election/recall-election-petition-090109.pdf
Impeach means to question, challenge, or to bring an accusation against.