Taken from the Oxford English Dictionary:
I. Senses referring to people.
1.
This term is strongly racially offensive when used by a white person in reference to a black person[/B]. In written Black English and written representations of spoken Black English, however, there are usually not the same negative connotations. Recently the term has been reclaimed by some black speakers and used with positive connotations in various senses (esp. in the form nigga: see note in etymology, and senses A. 1c, A. 4, and A. 5). However, even among black speakers, use of the word is problematic because of its potential to give offence, as is clear from the following, from a black speaker:
1995 N.Y. Times 14 Jan. i. 7 The prosecutor, his voice trembling, added that the ‘N-word’ was so vile that he would not utter it. ‘It's the filthiest, dirtiest, nastiest word in the English language,’ Mr. Darden said.
See also N-word n.
Read up some stuff on power relations in a good sociology book as well and this will reinforce why there is a problem with it. I'm sure thee will be some stuff at GCSE level ansd A level. It aint rocket science its basic stuff.In other words get yourselves educated before speaking about it Grist and Camiller
A taster for you
https://www.proz.com/kudoz/english/s...relations.html
Its all to do with societal inequalities which spme on here are in total denial about
Ignorance is bliss for some...and probably suits them personally...