Stuck on quite a few
1d. Rebel leader detailing younger son? (c - - - )
6d. Some may be washed up - short holiday needed - about to be accommodated (- A - - - )
15a. One supporting strike, inspiring a nation. ( - A - T - )
17d. Gloomy look of seaman out of work ( - - - - )
21a. Composer without a means of blowing glass ( - E - - )