We use the term First Lady, and there are some official responsibilities, but it isn't as if we ask the wives of presidents to make security decisions. She doesn't seem to be very honest, and her appearance in magazines nude makes her different than other first ladies. It does not disqualify Melania from holding office though.
Melania Trump is fit to be first lady. Most first ladies have just remained on the side lines during their husbands presidencies. Yes, first ladies often take on support certain causes they care about. They also help maintain a positive image of the White House and first family. Melania Trump would be capable of doing these things. In short, yes, Melania Trump would make a good first lady.
No, Melania Trump is not fit to be first lady. Most people do not want to see a model in the White House. It will be obvious that she does not measure up to the other first ladies. Furthermore, the public will have little respect for her and her views.
Melanie Trump lacks the skills and mindset to be first lady. She is obviously uncomfortable being in the public eye during the election. Although she is trying very hard to be what a first lady is perceived to be, her discomfort level as well as things in her past, such as nude pictures, will make it very difficult for her to be an effective first lady.