forced buy out s corp shares

I own 40% of a small corporation and my partner who holds the other 60% is trying to buy me out. The company just became profitable last year, which was it's 4th year, after a 225% revenue increase. The curent years growth is 157% and the profit projection is expected to triple last years figures. I'm currently listed as the president of the company and I don't want to sell my shares but my partner seems to believe they can force a buy out. I was recently fired from the company for a dispute I had with another employee (it turned out he was stealing and he was fired a week later) and my partner used their majority share as leverage to get me out of the office and force me to be a silent shareholder. I have recieved partial dividend payments from the profits of the company last year, but not all that I believe was due. I would prefer to hold my share of the company till the end of the fiscal year, but the other shareholder seems to believe that they can force a buy out now. They have not threatened to disolve the company or liquidate anything, and as far as I know, their plan it to hold onto the business and keep growing it.

Can they force me to sell out? Do I have a right to demand profit payment from the following year? If they decide to take some of the profits and decide to reinvest in capital, do I have a say so in what it is, and if it costs more than value it adds to the company (therefore lowering company value from wasted cash) is there anything that I can do about it? Is it possible for me to demand quarterly divident payouts?