Regarding personality and life path, here are a few characteristics of Jupiter in the 1st house/Ascendant/Lagna in different signs without affliction.

1/ In the Signs ruled by Mars:

Aries & Scorpio - One is often healthy and wealthy, interested in luxury goods.

• 1.1/ Aries: bright appearance, attractive, popular, argumentative, and patient; seeking justice and punishment; good in Jupiter Dasa
• 1.2/ Scorpio: learned, skilful in one’s chosen field, interested in the hidden knowledge, metaphysical subject; may suffer from issues with the liver and lungs

2/ In the Sign ruled by Venus:

Taurus & Libra - One has a good physique, elegant, and a male is often attached to the partner, while in a female’s chart, that indicates she feels distance from the partner (it is not always bad, but the relationship is just not warm enough)

• 2.1/ Taurus: well read, well educated, know the law and politics
• 2.2/ Libra: Strong, attractive, and religious; loving art; interested in business related to Venus’s subjects.

3/ In the Sign ruled by Mercury:

Gemini & Virgo - One is a scholar, a writer

• 3.1/ Gemini: diplomatic, virtuous, respects elders, and skilful in using words; good marriage
• 3.2/ Virgo: skilful in work, fond of art, colors, and smells; good in Jupiter Dasa.

4/ Exalted in Cancer: wise, charitable nature, favored by authority, wide friend circle, dignified, faithful, and wealthy

5/ Powerful in Leo: wise, broad-minded, tall appearance, well-educated, and rich

6/ In the Sign ruled by Jupiter:

Sagittarius & Pisces - One is religious, has long-lasting wealth, and is trustworthy; marriage may be disturbed depending on Venus and Mercury in the horoscope

• 6.1/ Sagittarius: open-minded, noble, good-looking, fond of traveling, and debates
• 6.2/ Pisces: well-versed in scripture, good inheritance, fond of politics, popular, and remains calm in most situations

7/ In the Sign ruled by Saturn:

Capricorn & Aquarius - One is often learned but not rich.

• 7.1/ Capricorn: good intention toward religion, generally unhappy, weak physique, and poor. If the debilitation of Jupiter is canceled, one may be famous and rich.
• 7.2/ Aquarius: philosophical, popular, attached to people in the lower class, or elders.

This is general information. Every chart needs to be analyzed carefully for an accurate result.