SEO, Get and keep kesov.org Googles first 5 on searches

We are a very small faith based nonprofit homeless project, Open Doors Slavic Ministries, website www.kesov.org. we had been operating for a few years now, Our current website has been on the internet for 2 years now. We are looking for someone, who can get and keep us on googles first 5 listings, for at least two of the following searches "charity" for [login to view URL] "bible" for [login to view URL] "donation" [login to view URL] "churches" [login to view URL] "ministries" [login to view URL] The Results of your work must last at least a year later one. Please keep that in mind. Again we would like to appear on googles first page for at least two of those searches. The results of your work should have a long term affect. We will leave a feedback after three months, after the goal has been attained. If our website also appears on Googles searrches, in top 5, for more than 2 words. we will, at our discretion, will tip the Freelancer at their paypal account, after that.