Pal, you should consider
1. pathfinder (尋路者) - One that discovers a new course or way, especially through or into unexplored regions (尋路者). One of a group of paratroopers who land ahead of a main force in order to mark the drop zone (尖兵排).

2. explorer (探索者) - One that explores, especially one that explores a geographic area (探險家). An implement or a tool used for exploring; a probe. (探棒)

3. dare to sail on uncharter water (勇於航行在沒有海圖的水域)