Born in Kobryn in the Russian Empire (today in Belarus), Becker was educated at a heder and gymnasium.

[2] In 1925 he immigrated to Mandatory Palestine, and initially worked as an agricultural labourer in Petah Tikva, before moving into construction.

In 1966 he requested to stand down as Histadrut leader for personal reasons, but was re-elected after Prime Minister Levi Eshkol asked Mapai members to require Becker to remain in post.

[5] However, in June 1969 he announced that he would not stand in the Histadrut elections in September that year,[6] and was succeeded by Yitzhak Ben-Aharon.

[8] After leaving the Knesset he became chairman of the Kupat Holim health fund's central committee in 1974.