There are other English speaking Lawyers on Sal and other Islands. There are solicitors and international lawyers in the UK such as John Howells who have information on buying abroad. Information is being collated on English speaking lawyers in Cape Verde, some of them deal with English solicitors on your behalf. The British Embassy Guidance Notes will also include a few of Engish speaking Lawyers, but more will be listed in the next version.
Check their website: http://www.lawoverseas.com. They have a Lawyer who specializes in Cape Verde. Also see the websites for 'A Place in the Sun'.