uitextViewHelp.m

// ...
@property (weak, nonatomic) IBOutlet UITextView *thankYoutTextView;
// ...

// thankYouTextView
NSString *userName = [[PFUser currentUser] objectForKey:@"name"];
NSString *thankYouString = [[NSString stringWithFormat:@"Lorem Ipsum....., %@, Lorem.......", userName] uppercaseString];
NSRange nameRange = [thankYouString rangeOfString: [userName uppercaseString]];

NSDictionary *thankYouAttributes = @{
                                     NSFontAttributeName: ostritchSansFont,
                                     NSParagraphStyleAttributeName: paragraphStyle,
                                     NSForegroundColorAttributeName: [UIColor colorWithWhite:0 alpha:0.7]
                                     };
NSMutableAttributedString *thankYouAttrString = [[NSMutableAttributedString alloc]
                                          initWithString:thankYouString
                                          attributes:thankYouAttributes];
// Colocando o verde no nome
[thankYouAttrString addAttribute:NSForegroundColorAttributeName
                           value:[UIColor colorWithRed:(76/255.0)
                                                 green:(175/255.0)
                                                  blue:(80/255.0)
                                                 alpha:1]
                           range:nameRange];
_thankYoutTextView.attributedText = thankYouAttrString;