50807 PHP Script Modification

I need the following changes on the Admin Panel of [login to view URL] 1) abc order of Categories, Departments, Locations, and Names. 2) Then, I like to change the title of "Categories" to "Nature of Employer's Business" change the title of "Names" to "Position Title" and change the title of "Job Lists" to "Client Applications". 3) AND I like the following changes to the Job Lists section, under the title of Job Details change the title showing a number to showing the name/title of the position change "Union" to "Client/Job #" Change "Summary" to "Name of Employer and nature of Business" change "Description" to "Job Description" separate or add "Qualifications" into 1) "Experience qualifications" and 2) "Educational qualifications" change "Salary" into "Salary and benefits" (and change position just before "Examination" and 4) do ALL of the above changes without losing any data already inputted into the site!!!!!!!!