Yes, these two are synonyms.
No, if you are caring you would also be protective but you could be a protector for other reasons than being caring.
A synonym for nurture can be tend, if it is a plant. Caring for is another synonym.
Quiet, peaceful, gentle and protective.
brave caring murderous protective
concern, caution, regard, interest, worry
yes they are protective loving caring and very endangered
Sweet, nice, loving, there is lots I can't name them all! ;)
Jacob Black is caring, protective of Bella.
None.
Three ways of caring for sewing and crocheting tools is keeping them in their protective case and keeping them in a dry place.
overpowering
Yes, caring for and being concerned about your partner is perfectly okay.