trailblazer

English

trail +‎ blazer

trailblazer (plural trailblazers)

One that blazes a trail to guide others; a pathfinder.
(figuratively) An innovative leader in a field; a pioneer.
- 2014 October 21, Oliver Brown, “Oscar Pistorius jailed for five years – sport afforded no protection against his tragic fallibilities: Bladerunner's punishment for killing Reeva Steenkamp is but a frippery when set against the burden that her bereft parents, June and Barry, must carry [print version: No room for sentimentality in this tragedy, 13 September 2014, p. S22]”, in The Daily Telegraph (Sport)‎:
  Yes, there were instances of grandstanding and obsessive behaviour, but many were concealed at the time to help protect an aggressively peddled narrative of [Oscar] Pistorius the paragon, the emblem, the trailblazer.

one that blazes a trail to guide others

Armenian: ռահվիրա (hy) (ṙahvira)
Chinese:
Mandarin: ^{(please verify)} 開拓者 (zh), ^{(please verify)} 开拓者 (zh) (kāituòzhě)
Dutch: wegbereider (nl)
Finnish: edelläkävijä (fi), polunraivaaja, ladunaukaisija
French: pionnier (fr) m, pionnière (fr) f
German: Vorreiter (de) m, Vorreiterin f, Wegbereiter (de) m
Hungarian: úttörő (hu)
Italian: pioniere (it)
Japanese: 先駆者 (せんくしゃ, senkusha)
Korean: 선구자 (ko) (seon'guja)
Maori: kaiparahuarahi
Portuguese: desbravador (pt) m
Russian: первопрохо́дец (ru) m (pervoproxódec)
Serbo-Croatian: kzčilac
Swedish: banbrytare (sv) c

innovative leader

Armenian: ռահվիրա (hy) (ṙahvira)
Chinese:
Mandarin: 先驅 (zh), 先驱 (zh) (xiānqū)
Finnish: edelläkävijä (fi), uranuurtaja (fi)
French: pionnier (fr) m, pionnière (fr) f
Hungarian: úttörő (hu)
Icelandic: brautryðjandi (is) m
Italian: precursore (it), apripista
Japanese: 先駆者 (せんくしゃ, senkusha)
Korean: 선구자 (ko) (seon'guja)
Portuguese: pioneiro (pt) m, desbravador (pt) m
Russian: первопрохо́дец (ru) m (pervoproxódec), пионе́р (ru) m (pionér), пионе́рка (ru) f (pionérka), нова́тор (ru) m (novátor)
Serbo-Croatian: kzčitelj
Spanish: pionero (es) m, colonizador (es) m, colono (es) m
Swedish: banbrytare (sv)