[1] As a Starfleet officer coming up through the ranks, Sisko was mentored by Curzon Dax, a joined Trill serving as ambassador to the Klingon Empire.
In 2369, Sisko is assigned to the Bajoran sector to command Deep Space Nine and help Bajor's recovery from the recently concluded Cardassian occupation, shepherding them toward possible membership in the Federation.
By studying the orb and nearby stellar phenomenon, Jadzia Dax finds a stable wormhole; the other end of which connects to the Gamma Quadrant.
Sisko fulfills the Prophets' destiny for him in the series finale, "What You Leave Behind", by confronting the Kosst Amojan-possessed Gul Dukat.
[3] In 2016, ScreenRant rated Benjamin Sisko as the fourth best character in Star Trek overall as presented in television and film up to that time.
[4] In 2016, Sisko was ranked as the 2nd most important character of Starfleet within the Star Trek science fiction universe by Wired magazine.
[5] In 2017, The Washington Post ranked Sisko as the second best Captain of Star Trek, and compared him to the American WW2 General and US President Eisenhower.